/base [server/client/off] shows the informations of the client or the server(only available on the host) to basecamps
/sentry [server/off] shows covered areas by unity on sentry
/fx [on/off] shows additional information to special effects
/trace [server/client/off] shows additional information of the client or the server(only available on the host) about current field
/ajobs [on/off] shows additional information about attackjobs
/players [on/off] shows additional information about all players in the game
/resync [id] resyncs all units of the player with the overgiven number or all players if no number was set.
/kick [id] removes a player from the game.
/disconnect [id] closes connection to a player and starts waiting for reconnection.
/deadline <seconds> sets deadline for turnend to given seconds
/fps [on/off] shows frames per second
/com [on/off] [*not working*] shows network traffic (multiplayer)
/log [on/off] [*not working*] creats a logfile by engine
/[show/hide] log [*not working*] shows log (if active)
/ping [*not working*] checks connectivity in multiplayer

Next commands are considered as cheats and will show up in gamechat

/survey shows all mapresources (only in singleplayer or on the host)
/color [0-7] sets new color for active player
/fog off disabled fog for a short period
/credits [*not working*] player gets +1000 credits
/kill [x] [y] [*not working*] kills whatever is on position x,y
/god off [*not working*] creates a godless world
/load [*not working*] reloads active unit